Heat point guard Mario Chalmers has handed over No. 6 to LeBron James, after wearing it during his first two NBA seasons. He instead will wear No. 15.

For Chalmers, it isnít exactly a sacrifice. He wore No. 15 while playing collegiately at Kansas and wanted to wear it after being acquired by the Heat in the second round of the 2008 NBA Draft, but Heat center Mark Blount was we